/*
 * The MIT License
 *
 * Copyright 2014 David Rodenas Pico.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package edu.uoc.sd.fr14.imesg;

import java.io.Serializable;

import edu.uoc.sd.fr14.actors.Customer;
import edu.uoc.sd.fr14.mesg.MessageForCustomer;
import edu.uoc.sd.fr14.mesg.TargetId;
import edu.uoc.sd.fr14.mesg.TargetedMessage;
import edu.uoc.sd.fr14.model.FlightId;


/**
 * Response message for a customer to know the result of query.
 * 
 * @see Customer#queried(FlightId, int)
 * @author drodenas
 */
public class QueriedMessage extends TargetedMessage implements MessageForCustomer,Serializable {
	private static final long serialVersionUID = 6635488911100138553L;
    protected QueriedMessage() { this.flight = null; this.freeSeats = 0; } // for serializer
    
	private final FlightId flight;
    private final int freeSeats;

    /**
     * Response message for a customer to know the result of query.
     * 
     * @param target    the original customer who request the query to send the message
     * @param flight    the flight queried
     * @param freeSeats the number of free seats
     * @see Customer#queried(FlightId, int)
     */
    public QueriedMessage(TargetId target, FlightId flight, int freeSeats) {
        super(target);
        if (flight == null) throw new NullPointerException("Illegal argument: flight cannot be null");
        
        this.flight = flight;
        this.freeSeats = freeSeats;
    }
    
    @Override
    public void apply(Customer customer) {
        customer.queried(flight, freeSeats);
    }

    @Override
    public String toString() {
        return "queried("+flight+","+freeSeats+")>"+getTarget();
    }

}
